User`s guide

20 User’s and Service Guide Supplement
E4438C Option HEC
Performance Characteristics
Performance Characteristics
The typical performance for the E4438C Option HEC is shown in Table 1. All other
specifications are the same as those of the standard E4438C Vector Signal Generator. The
baseband generator external clock input connector replaces the baseband reference input
connector.
Specifications can be viewed or printed from the ESG Series Data Sheet (a condensed
version of the specifications), visit our web site at http://www.agilent.com/find/esg, select
your signal source model (E4438C), and click on the link to the data sheet.
Table 1 Measured Performance (typical)
Parameter Limits
External Clock Input
Frequency
200 MHz to 400 MHz
Electrical Input Type PECL
Input Voltage 1 Vp-p (squarewave)
Input Power 0 dBm to 6 dBm (sinewave)
Waveform square or sine
Internal ARB 50 to 100 Megasample/sec
Temperature 25 °C (± 3 °C)